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【单选题】
大气折光是由于空气的（）的变化而引起的。A.
密度
B.
温度
C.
湿度
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反馈参考答案：
举一反三
【单选题】If there is a fire in a hold, what should you do?（）
A.
Close the hatch, accesses and ventilators at once. Flood CO 2 into hold.
B.
Open the hatch, accesses and ventilators at once. Flood CO 2 into hold.
C.
Close the hatch, accesses and ventilators at once. Flood water into hold.
D.
Open the hatch, accesses and ventilators at once. Flood water into hold.
【单选题】If you _____ your hand as far as you can, you should be able to touch it.
A.
hold out
B.
push out
C.
reach out
D.
pull out
【单选题】If the coxswain of your lifeboat gives the command HOLD WATER, you should ______.
A.
complete the stroke, raise your oar slightly, swinging the oar slightly forward, and place it in the boat
B.
lift the oar in a vertical position
C.
complete the stroke and hold the oar out of the water
D.
dip the blade of your oar into the water vertically and hold it perpendicular to the keel line
【简答题】You should hold a degree, preferable in English, with supervisory experience in the service-related filed, ideally involved in customers correspondence. As a team leader and decision maker, you must p...
【简答题】If you often fail to achieve your goals, you should hold on and throw yourself into ______.
【简答题】不同电压、不同用途的电缆,不宜敷设在同一层桥架上,试说明有哪些情况?
【单选题】As you hold the insurance policy, we should be ______ if you would take the matter up for us with the insurers.
A.
gradual
B.
gradable
C.
grateful
D.
graceful
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